{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-entity",
  "id": "entity",
  "kind": "pattern",
  "layer": {
    "href": "https://banes-lab.com/ontology/schema#layer-domain-modeling",
    "json": "https://banes-lab.com/json/records/layer/domain-modeling",
    "label": "Domain Modeling",
    "markdown": "https://banes-lab.com/records/layer/domain-modeling.md",
    "ref": "layer:domain-modeling"
  },
  "name": "Entity",
  "ref": "architecture:entity",
  "relations": [
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-stable-identity",
          "json": "https://banes-lab.com/json/records/lexicon/stable-identity",
          "label": "Stable Identity",
          "markdown": "https://banes-lab.com/records/lexicon/stable-identity.md",
          "ref": "lexicon:stable-identity"
        }
      ],
      "relation": "requires"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-domain-model",
          "json": "https://banes-lab.com/json/records/architecture/domain-model",
          "label": "Domain Model",
          "markdown": "https://banes-lab.com/records/architecture/domain-model.md",
          "ref": "architecture:domain-model"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-encapsulation",
          "json": "https://banes-lab.com/json/records/architecture/encapsulation",
          "label": "Encapsulation",
          "markdown": "https://banes-lab.com/records/architecture/encapsulation.md",
          "ref": "architecture:encapsulation"
        }
      ],
      "relation": "reinforces"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-identity-based-equality",
          "json": "https://banes-lab.com/json/records/lexicon/identity-based-equality",
          "label": "Identity-Based Equality",
          "markdown": "https://banes-lab.com/records/lexicon/identity-based-equality.md",
          "ref": "lexicon:identity-based-equality"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-lifecycle-tracking",
          "json": "https://banes-lab.com/json/records/lexicon/lifecycle-tracking",
          "label": "Lifecycle Tracking",
          "markdown": "https://banes-lab.com/records/lexicon/lifecycle-tracking.md",
          "ref": "lexicon:lifecycle-tracking"
        }
      ],
      "relation": "enables"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-anemic-domain-model",
          "json": "https://banes-lab.com/json/records/architecture/anemic-domain-model",
          "label": "Anemic Domain Model",
          "markdown": "https://banes-lab.com/records/architecture/anemic-domain-model.md",
          "ref": "architecture:anemic-domain-model"
        }
      ],
      "relation": "conflicts-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-value-object",
          "json": "https://banes-lab.com/json/records/architecture/value-object",
          "label": "Value Object",
          "markdown": "https://banes-lab.com/records/architecture/value-object.md",
          "ref": "architecture:value-object"
        }
      ],
      "relation": "tensions-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#tension-entity-value-object",
          "json": "https://banes-lab.com/json/records/tension/entity-value-object",
          "label": "Entity / Value Object",
          "markdown": "https://banes-lab.com/records/tension/entity-value-object.md",
          "ref": "tension:entity-value-object"
        }
      ],
      "relation": "tensions"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-attribute-compared-identity",
          "json": "https://banes-lab.com/json/records/lexicon/attribute-compared-identity",
          "label": "Attribute-Compared Identity",
          "markdown": "https://banes-lab.com/records/lexicon/attribute-compared-identity.md",
          "ref": "lexicon:attribute-compared-identity"
        }
      ],
      "relation": "violated-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#vocabulary-severity-contextual",
          "json": "https://banes-lab.com/json/records/vocabulary/severity-contextual",
          "label": "contextual",
          "markdown": "https://banes-lab.com/records/vocabulary/severity-contextual.md",
          "ref": "vocabulary:severity-contextual"
        }
      ],
      "relation": "severity"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-domain-architecture",
          "json": "https://banes-lab.com/json/records/architecture-category/domain-architecture",
          "label": "Domain Architecture",
          "markdown": "https://banes-lab.com/records/architecture-category/domain-architecture.md",
          "ref": "architecture-category:domain-architecture"
        }
      ],
      "relation": "category"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-normalization",
          "json": "https://banes-lab.com/json/records/architecture/normalization",
          "label": "Normalization",
          "markdown": "https://banes-lab.com/records/architecture/normalization.md",
          "ref": "architecture:normalization"
        }
      ],
      "relation": "refactors"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-anti-patterns",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-anti-patterns",
          "label": "Anti-patterns",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md",
          "ref": "chapter:/ontology#architecture-category-anti-patterns"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-domain-architecture",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-domain-architecture",
          "label": "Domain Architecture",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-domain-architecture.md",
          "ref": "chapter:/ontology#architecture-category-domain-architecture"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-core-modular-design",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-core-modular-design",
          "label": "Core Modular Design",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md",
          "ref": "chapter:/ontology#architecture-category-core-modular-design"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-schema-canonical-data-semantics",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-schema-canonical-data-semantics",
          "label": "Schema / Canonical Data / Semantics",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-schema-canonical-data-semantics.md",
          "ref": "chapter:/ontology#architecture-category-schema-canonical-data-semantics"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-domain-architecture",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-domain-architecture",
          "label": "Domain Architecture",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-domain-architecture.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-domain-architecture"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-vocabulary-severity",
          "json": "https://banes-lab.com/json/ontology/schema/the-vocabulary-severity",
          "label": "Severity levels",
          "markdown": "https://banes-lab.com/ontology/schema/the-vocabulary-severity.md",
          "ref": "chapter:/ontology/schema#the-vocabulary-severity"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-resolutions",
          "json": "https://banes-lab.com/json/ontology/schema/the-resolutions",
          "label": "The resolutions",
          "markdown": "https://banes-lab.com/ontology/schema/the-resolutions.md",
          "ref": "chapter:/ontology/schema#the-resolutions"
        }
      ],
      "relation": "linked-from"
    }
  ],
  "summary": "A design pattern that models a domain object by a stable identity, which stays the same while its attributes change.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-domain-service",
      "json": "https://banes-lab.com/json/records/architecture/domain-service",
      "label": "Domain Service",
      "markdown": "https://banes-lab.com/records/architecture/domain-service.md",
      "ref": "architecture:domain-service"
    },
    "previous": {
      "href": "https://banes-lab.com/ontology#architecture-value-object",
      "json": "https://banes-lab.com/json/records/architecture/value-object",
      "label": "Value Object",
      "markdown": "https://banes-lab.com/records/architecture/value-object.md",
      "ref": "architecture:value-object"
    }
  },
  "up": {
    "href": null,
    "json": "https://banes-lab.com/json/api/records/architecture",
    "label": "Architecture principles",
    "markdown": "https://banes-lab.com/api/records/architecture.md",
    "ref": "api:records/architecture"
  },
  "aliases": [],
  "exemplar": {
    "after": "class Foo {\n  constructor(readonly id: FooId, private name: string, private status: FooStatus) {}\n  equals(other: Foo) { return this.id === other.id; }\n  activate() { this.status = \"active\"; }\n}",
    "before": "type Foo = { id: string; name: string; status: string };\nfoo.status = \"active\";",
    "lang": "ts",
    "medium": "code"
  },
  "formedBy": null,
  "scope": [
    "domain",
    "identity",
    "lifecycle"
  ],
  "severity": "contextual"
}
